diff --git a/test_types/compare.h b/test_types/compare.h
deleted file mode 100644
index 9709a44c..00000000
--- a/test_types/compare.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (c) 2013-2015, Roland Bock
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- *  * Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef SQLPP_TEST_SERIALIZER_H
-#define SQLPP_TEST_SERIALIZER_H
-
-#include "MockDb.h"
-#include <iostream>
-
-namespace
-{
-  template <typename Expression>
-  void compare(int lineNo, const Expression& expr, const std::string& expected)
-  {
-    MockDb::_serializer_context_t printer = {};
-
-    const auto result = serialize(expr, printer).str();
-
-    if (result != expected)
-    {
-      std::cerr << __FILE__ << " " << lineNo << '\n' << "Expected: -->|" << expected << "|<--\n"
-                << "Received: -->|" << result << "|<--\n";
-      throw std::runtime_error("unexpected serialization result");
-    }
-  }
-}
-
-#endif